Radeon HD 7450 OEM vs HD 6450A

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking1176not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.86no data
ArchitectureTeraScale 2 (2009−2015)TeraScale 2 (2009−2015)
GPU code nameCaicosCaicos
Market segmentLaptopDesktop
Release date7 April 2011 (13 years ago)5 January 2012 (12 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores160160
Core clock speed625 MHz625 MHz
Number of transistors370 million370 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)25 Watt18 Watt
Texture fill rate5.0005.000
Floating-point processing power0.2 TFLOPS0.2 TFLOPS
ROPs44
TMUs88

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfaceMXM-A (3.0)PCIe 2.0 x16
Lengthno data168 mm
Widthno data1-slot
Supplementary power connectorsno dataNone

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeDDR3GDDR3
Maximum RAM amount512 MB512 MB
Memory bus width64 Bit64 Bit
Memory clock speed533 MHz533 MHz
Memory bandwidth8.528 GB/s8.528 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputs1x DVI, 1x HDMI
HDMI-+

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX11.2 (11_0)11.2 (11_0)
Shader Model5.05.0
OpenGL4.44.4
OpenCL1.21.2
VulkanN/AN/A

Pros & cons summary


Recency 7 April 2011 5 January 2012
Power consumption (TDP) 25 Watt 18 Watt

HD 7450 OEM has an age advantage of 8 months, and 38.9% lower power consumption.

We couldn't decide between Radeon HD 6450A and Radeon HD 7450 OEM. We've got no test results to judge.

Be aware that Radeon HD 6450A is a notebook card while Radeon HD 7450 OEM is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon HD 6450A
Radeon HD 6450A
AMD Radeon HD 7450 OEM
Radeon HD 7450 OEM

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


5 1 vote

Rate Radeon HD 6450A on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3 125 votes

Rate Radeon HD 7450 OEM on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.